21653944

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3529}}^1$

素因数の和:3607

約数の個数: 32

約数和(自身を含む): 44478000

約数和(自身を除く): 22824056

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 104, 118, 236, 472, 767, 1534, 3068, 3529, 6136, 7058, 14116, 28232, 45877, 91754, 183508, 208211, 367016, 416422, 832844, 1665688, 2706743, 5413486, 10826972, 21653944]

約数ペア:

[(1, 21653944), (2, 10826972), (4, 5413486), (8, 2706743), (13, 1665688), (26, 832844), (52, 416422), (59, 367016), (104, 208211), (118, 183508), (236, 91754), (472, 45877), (767, 28232), (1534, 14116), (3068, 7058), (3529, 6136)]